La. R.S. 3:1736.3

The commissioner shall have full and plenary power to deal with sweet potato pests and diseases that may be prescribed, controlled, or eradicated. He shall have full power to promulgate and enforce the rules, ordinances, and regulations and to do and perform such acts through agents or otherwise, as in his opinion may be necessary to control, eradicate, or prevent the introduction, spread, or dissemination of any and all contagious diseases and pests as far as may be possible and all such rules, ordinances, and regulations shall have the force of law.